· 【Versatile & Airline-Approved】Measuring 18×14×8 inches, this TSA-approved airplane backpack fits most budget airlines (Spirit, Frontier, JetBlue, EasyJet, etc.), and easily slides under seats or into overhead bins—the perfect personal item for hassle-free flights.· 【Spacious & Well-Organized】With 40L capacity, this travel backpack features 4 main compartments and multiple pockets for effortless organization, plus a built-in elastic band to secure travel items. Perfectly fits 3-7 days of travel essentials.· 【2 Packing Cubes & Wet Pocket】LOVEVOOK carry-on bag includes a toiletries bag and shoe bag, plus a water-resistant wet pocket to separate damp items (like wet swimwear/towels) and prevent leaks - making it an ideal weekend overnight bag.· 【Durable & Comfortable】The carry on backpack is made from tear-resistant, water-resistant, and abrasion-resistant materials for rugged travel. It has adjustable thick shoulder straps and a padded back panel for all-day comfort—your perfect travel companion.· 【Secure & Practical】This large travel backpack features a suitcase-style opening for quick security checks, back hidden padded electronics compartment, anti-theft pocket, side umbrella/water bottle pocket, and rear luggage strap. Designed for effortless travel.· 【Perfect Gift & Warranty】Surprise your special someone (or yourself) with this highly functional and stylish travel backpack. We offer one-year quality guarantee and 24/7 dedicated support. LOVEVOOK delivers quality you can trust for every adventure.